This RF expansion kit is designed for Flipper Zero users exploring wireless signal protocols across both 433MHz and 2.4GH z bands. It includes a primary CC1101 module and a swappable NRF24L01 module, allowing seamless switching based on your testing focus. A dedicated GPIO expansion board ensures stable connection and module performance. Each module comes enclosed in a durable 3D-printed case for portability and protection. This kit does not include the Flipper Zero device. It is intended for research, testing, and educational applications involving RF communication principles.